检验项目 Item | 检验标准 Inspection Standard |
外 观 Appearance | 白色或类白色结晶性粉末 White or off-white crystalline powder |
比旋度 Specific Rotation | −31.0 to −39.0°, C=2, EtOH |
熔 点 MP | 150-166℃ |
干燥失重 Loss on drying | ≤0.5% |
重金属 Heavy Metals(Pb) | not more than 10ppm |
含量 Assay | not less than 98.0% |